1. Evaluation of spinal involvement in children with mucopolysaccharidosis VI: the role of MRI
- Author
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Elif Bulut, Hatice Sivri, Burce Ozgen, Emine Pektas, Burcak Bilginer, Mumtaz M Umaroglu, Bulut, E, Pektas, E, Sivri, HS, Bilginer, B, Umaroglu, MM, Ozgen, B, Sakarya Üniversitesi/Tıp Fakültesi/Temel Tıp Bilimleri Bölümü, Umaroğlu, Mümtaz Mutlu, and Beyin ve Sinir Cerrahisi
- Subjects
Adult ,Male ,medicine.medical_specialty ,Adolescent ,Spinal stenosis ,Mucopolysaccharidosis ,Neurological examination ,030218 nuclear medicine & medical imaging ,03 medical and health sciences ,Young Adult ,0302 clinical medicine ,Spinal cord compression ,Medicine ,Humans ,Radiology, Nuclear Medicine and imaging ,Child ,Retrospective Studies ,Mucopolysaccharidosis VI ,medicine.diagnostic_test ,Full Paper ,business.industry ,Radiology, Nuclear Medicine & Medical Imaging ,Retrospective cohort study ,General Medicine ,Cervical cord compression ,medicine.disease ,mukopolisakkoridoz tip4 mrı çocuk ,Magnetic Resonance Imaging ,Spine ,Stenosis ,Spinal Cord ,Child, Preschool ,Female ,Spinal Diseases ,Radiology ,business ,Spinal Cord Compression ,030217 neurology & neurosurgery - Abstract
Objective: To evaluate spinal MRI features of mucopolysaccharidosis (MPS) VI and to assess the correlation with clinical findings. Methods: We retrospectively evaluated spinal MRI scans and clinical findings at the time of imaging in 14 patients (8 male, 6 female) with MPS VI. Craniometric measurements were performed and the images were assessed for bony anomalies, spinal stenosis and spinal cord compression. The degree of cervical cord compression was scored and correlated with neurological examination findings at the time of imaging. Vertebral alignment, structural changes in spinal ligaments and intervertebral discs were also assessed. Results: All patients had cervical stenosis due to bony stenosis and thickened retrodental tissue (median: 6.05 mm, range 3.3-8 mm). Retrodental tissue thickness was found to increase with age (p = 0.042). Compressive myelopathy was detected at upper cervical level in 11 (79%) and lower thoracic level in 2 patients (14%). Significant inverse correlation was found between cervical myelopathy scores and neurological strength scores. The most common bony changes were hypo/dysplastic odontoid; cervical platyspondyly with anterior inferior beaking; thoracic posterior end plate depressions and lumbar posterior scalloping. Kyphosis due to retrolisthesis of the beaked lumbar vertebrae and acute sacrococcygeal angulations were other remarkable findings. Conclusion: MRI is an essential component in evaluation of spinal involvement in MPS VI, and scanning of the entire spine is recommended to rule out thoracic cord compression. Advances in knowledge: This study provides a detailed description of spinal MRI findings in MPS VI and underlines the role of MRI in management of cord compression.
- Published
- 2018